Hi and welcome to Daniweb forums :).
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Please visit at least two of the following sites for an online virus scan:
BitDefender Free Online Virus Scan
http://www.bitdefender.com/scan/licence.php
Make sure you tick AutoClean under Scan Options.
Panda ActiveScan
http://www.pandasoftware.com/activescan/com/activescan_principal.htm
Make sure you tick Disinfect automatically under Scan Options.
Housecall at TrendMicro
http://housecall.trendmicro.com/housecall/start_corp.asp
Make sure you tick Auto Clean.
eTrust Antivirus Web Scanner
http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
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Click here to download Killbox by Option^Explicit.
*Extract the program to your desktop and double-click on its folder, then double-click on Killbox.exe to start the program.
*In the killbox program, select the Delete on Reboot option.
*Copy the file names below to the clipboard by highlighting them and pressing Control-C:
C:\WINDOWS\System32\xpjava.exe
C:\WINDOWS\System32\msdirectx.sys
*Return to Killbox, go to the File menu, and choose "Paste from Clipboard".
*Click the red-and-white "Delete File" button. Click "Yes" at the Delete on Reboot prompt. Click "No" at the Pending Operations prompt.
While your computer is restarting, tap the F8 key continually until a menu appears. Use your up arrow key to highlight Safe Mode, then hit enter.
Run HijackThis and put checkmarks in front of the following items.
F2 - REG:system.ini: Shell=Explorer.exe,xpjava.exe
Close all windows except HijackThis and click Fix checked:
Boot back to normal and copy the part in bold below into notepad. Save it as unlegacy.reg (set filetype to "All Files")
REGEDIT4
[-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_MSDIRECTX]
[-HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_MSDIRECTX]
[-HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\msdirectx]
Doubleclick the file you made and confirm you want to merge it with the registry.
Reboot once more and post a new log.